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Instituto Nacional de Salud Pública

2011, Número 3

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salud publica mex 2011; 53 (3)


Serotipificación de Streptococcus pneumoniae aislados de líquido de oído medio en niños mexicanos con diagnóstico de otitis media aguda

Demóstenes Gómez-Barreto D, Espinosa MLE, López-Enríquez C, Rodríguez SR, Torre C

Idioma: Ingles.
Referencias bibliográficas: 37
Paginas: 207-211
Archivo PDF: 210.01 Kb.


RESUMEN

Objetivo. Conocer la etiología y serotipos de S.pneumoniae (Sp) en niños mexicanos, con otitis media aguda (OMA). Material y métodos. Se incluyeron las muestras de pacientes con OMA del Hospital Infantil de México Federico Gómez (2002-2003), con cultivo positivo para Sp, (bacteriológicamente confirmados en el líquido del oído medio obtenido por timpanocentesis). Todos los Sp. fueron serotipificados. Se incluyeron 138 muestras de 135 niños con OMA. Resultados. Sp. se aisló en 72 muestras de 70 niños: 60 (85.7%) eran previamente sanos y 10 (14.3%) eran inmunocomprometidos. Los serotipos más frecuentes fueron 6B y 19F (16.67%), y 6 A, 14 y 23F (15.27%). Conclusiones. La distribución de los serotipos en niños con otitis media aguda fue similar a la reportada en ciudades en desarrollo y se observó que 63.9% de los serotipos aislados están incluidos en la vacuna conjugada 7-valente, 68.1% en la 10-valente y 83.3% en la 13-valente.


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